The Sierra Wireless AirCard 311U LTE modem is Sierra Wirelesss first in a family of 4G USB modems to support LTE networks-offering 100Mbps downlink speed and 50Mbps upload speed. With this Sierra Wireless AirCard 313U 4G LTE modems high speeds, and Sierra Wireless 313U 4G modem is backward compatible with Dual-Carrier HPSA+, you will increase efficiency, real-time responses, and experience smoother streaming .You can access the internet by AT&T cellular coverage for any computer with 313U LTE modem. It is possible that you can actually use Sierra Wireless AirCard 313U 4G modem in over 200 countries on LTE network. In…